DANISH SIDDIQI, M. GRADIENT RICCI SOLITONS IN δ-LORENTZIAN TRANS-SASAKIAN MANIFOLDS WITH SEMI-SYMMETRIC METRIC CONNECTION. Bangmod International Journal of Mathematical and Computational Science, Bangkok, Thailand, v. 4, p. 34–58, 2018. Disponível em: https://bangmodjmcs.com/index.php/bangmodmcs/article/view/48. Acesso em: 19 sep. 2024.